Patio Foggers - Brand Generic - 5 Pieces Floating Energy Wireless SPA Pool Thermometer Highlights marque generique 5 Pieces Floating Energy Wireless SPA Pool Thermometer Description: Solar powered, wireless connection, waterproof, green LED backlit display. The 433MHZ wireless receives 3-channel water temperature, Max/Min record of indoor and water temperature. Wide temperature measurement range: Water temperature range: -40-60C, 58-140F 2 0.1, Indoor temperature range: 0-50C, -40- 140F 2 0.1. Convertible temperature unit between C / F. Alarm with snooze function. Durable and water resistant design, widely used for swimming pool, spa, bathtub and pond etc. Specification: Material: ABS plastic Frequency: 433 Hz Maximum range of transmitter and receiver: 100 feet Timing from Jan 1, 2000 to Jan 31, 2099 Function: Alarm with snooze Measurement range: Water temperature range: -40 at 60C, 58-140F 2 0.1 Indoor temperature range: 0 to 50C, -40-140F 2 0.1. Display console: 2 x 1.5V AAA batteries (not included) Remote sensor: 2 x 1.5V AA batteries (not included) Size: approx. Screen size: 12x7.5x2.5cm/4.72x2.95x0.98in Sensor size: 14.5x8.5x2cm/5.7x3.34x0.78in Package includes: 5 pieces pool spa thermometer Note: Color may be slightly different due to the color calibration of each individual monitor. Please allow slight measuring deviation due to manual measurement.